CN105002980B - A kind of integrated pump station bottom self cleaning method - Google Patents
A kind of integrated pump station bottom self cleaning method Download PDFInfo
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- CN105002980B CN105002980B CN201510281190.3A CN201510281190A CN105002980B CN 105002980 B CN105002980 B CN 105002980B CN 201510281190 A CN201510281190 A CN 201510281190A CN 105002980 B CN105002980 B CN 105002980B
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Abstract
The present invention discloses a kind of integrated pump station bottom self cleaning method, comprise described pump barrel is made by top cylindrical tube and cylinder and formed at an end, at the bottom of the described cylinder end is the curved surface cylinder that delayed by abrupt change of the gradient that is made up of spherical curved surface and annular surface, the top edge of described annular surface is connected tangent with cylindrical tube, the lower limb of annular surface is connected tangent with the edge of spherical curved surface, top view at the bottom of curved surface cylinder is to be made up of two different concentric circles of radius, side view at the bottom of curved surface cylinder is to be made up of the circular curve of two different radiis, 8-12 counterclockwise arc rib is set at the bottom of described curved surface cylinder, counterclockwise arc rib is uniformly distributed around curved surface Tong Di center, at described water inlet, crush type grid is set. the present invention is rational in infrastructure simply, the manufacturing is easy, the advanced science of method, by the present invention, has realized and has used curved bottom portion to inlay the automatically cleaning of counterclockwise arc rib.
Description
Technical field
The present invention relates to a kind of water engineering facility, specifically a kind of integrated pump station bottom self cleaning method, belongs to hydraulic engineering, municipal works technical field.
Background technology
Along with the quickening of national urbanization paces, and national various infrastructure construction, the waste water in increasing field can not flow automatically to drainage pipeline, and this just needs pumping plant to go to promote and carry. Conventional concrete pumping plant is as the construction mode of current main flow pumping plant. Its investment is huge, and the construction period is long, expends a large amount of human and material resources, the shortcoming such as cannot move day by day obvious. And prefabricated pumping plant has well solved the problems referred to above, be a kind of easy to use, reliable in quality, civil engineering workload is little, lower-cost novel all-in-one equipment of pumping station. Its feature has maneuverability, and the pumping plant construction period is extremely short, installation and easy. Municipal Industry becomes a new pumping plant construction development trend at home at present.
Existing integrated pump station bottom form mostly is plane formula (as Fig. 1), makes impurity that current carry secretly after entering in cylinder, because Gravitative Loads is fallen bottom, form precipitation and be laid in bottom. Although the impurity of water pump near zone can together be siphoned away discharge together with water body when water pump extracts water body, but the region distant from pump cannot be sucked away as wall place, limit has partly precipitated thing all the time, form dead angle, time can form a large amount of precipitations after having grown, corrosion cylindrical shell, needs often to salvage and waste time and energy.
Authorize in the disclosed prefabricated pumping plant scheme of patent of invention ZL201320396805.3, its bottom has adopted the labyrinth of deflector, filler and multi-stage stairs, although its disclosed project organization has good treatment effect to the deposit of pumping plant bottom, but structure is still too complicated, and do not solve pumping plant bottom automatically cleaning problem.
Authorize patent of invention 201120088061X to adopt a kind of well formula pumping plant that can produce the current of prewhirling; its know-why is that the sewage of cesspool bottom flows into along the basin septal fossula of prewhirling the basin of prewhirling; and at the formation current identical with suction pump direction of rotation in basin of prewhirling; although it can effectively reduce the shutdown water level of suction pump, and be beneficial to sewage and the mud at the bottom of clean cesspool. But due to the Pump Suction Nozzle increasing of prewhirling, the rotation circular rector that enters pump strengthens, objectively can cause pump assembly vibration and strengthen cavitation to occur. Conventionally adopt at present back purge system to carry out integrated pump station desilting, complicated operation, need to artificially participate in.
Summary of the invention
The object of the invention is the problem for existing integrated pump station, a kind of integrated pump station bottom self cleaning method is provided.
Technical scheme of the present invention is, a kind of integrated pump station bottom self cleaning method, comprise pump barrel and proof submersible sand discharging pump is set in pump barrel, staircase, inspection platform, proof submersible sand discharging pump is lifted on pump barrel inner bottom part, inspection platform is arranged on the middle and upper part in pump barrel, staircase be arranged on inspection platform and pump barrel suitable for reading between, on pump barrel top, air vent is set, on pump barrel wall, water inlet is set, proof submersible sand discharging pump connects outlet pipe, outlet pipe leads to outside pump barrel, it is characterized in that: also comprise described pump barrel is made by top cylindrical tube and cylinder and formed at an end, at the bottom of the described cylinder end is the curved surface cylinder that delayed by abrupt change of the gradient that is made up of spherical curved surface and annular surface, the top edge of described annular surface is connected tangent with cylindrical tube, the lower limb of annular surface is connected tangent with the edge of spherical curved surface, top view at the bottom of curved surface cylinder is to be made up of two different concentric circles of radius, side view at the bottom of curved surface cylinder is to be made up of the circular curve of two different radiis, 8-12 counterclockwise arc rib is set at the bottom of described curved surface cylinder, counterclockwise arc rib is uniformly distributed around curved surface Tong Di center, at described water inlet, crush type grid is set, in the current that entered by water inlet, foreign material enter in pump barrel after pulverizing by crush type grid, the impurity particle landing of pulverizing is deposited in central area at the bottom of the curved surface cylinder under proof submersible sand discharging pump water inlet, described proof submersible sand discharging pump is enclosed in the middle of equally distributed counterclockwise arc rib, when proof submersible sand discharging pump extracts water body, water body is regular moves downward for counterclockwise arc rib guiding, water body moves downward and forces the impurity particle that is deposited in central area at the bottom of curved surface cylinder along with current enter proof submersible sand discharging pump water inlet, flow to outside pump barrel with the outlet pipe being connected with proof submersible sand discharging pump through proof submersible sand discharging pump, the radius of curvature of described counterclockwise arc rib is 0.2-0.25 times of cylindrical tube diameter, length is 0.3-0.4 times of cylindrical tube diameter, be highly 2-3cm, width is 2-2.5cm.
Spherical subsequent corrosion at the bottom of described curved surface cylinder is 0.9-1.1 times of cylindrical tube diameter.
The radius of the annular surface at the bottom of described curved surface cylinder is 0.2-0.3 times of cylindrical tube diameter.
Described proof submersible sand discharging pump water inlet is 0.25-0.35 times of cylindrical tube diameter to the vertical range of bottom.
Described outlet pipe is provided with check-valves.
A kind of automatically cleaning integrated pump station, comprise the proof submersible sand discharging pump arranging in pump barrel and pump barrel, staircase, inspection platform, proof submersible sand discharging pump is lifted on pump barrel inner bottom part, inspection platform is arranged on the middle and upper part in pump barrel, staircase be arranged on inspection platform and pump barrel suitable for reading between, be provided with air vent on pump barrel top, pump barrel wall is provided with water inlet, proof submersible sand discharging pump connects outlet pipe, outlet pipe leads to outside pump barrel, it is characterized in that: described pump barrel was made up of top cylindrical tube and the cylinder end, at the bottom of the described cylinder end is the curved surface cylinder that delayed by abrupt change of the gradient that is made up of spherical curved surface and annular surface, the top edge of described annular surface is connected tangent with cylindrical tube, the lower limb of annular surface is connected tangent with the edge of spherical curved surface, top view at the bottom of curved surface cylinder is to be made up of two different concentric circles of radius, side view at the bottom of curved surface cylinder is to be made up of the circular curve of two different radiis, in at the bottom of described curved surface cylinder, be provided with 8-12 counterclockwise arc rib, counterclockwise arc rib is uniformly distributed around curved surface Tong Di center, be provided with crush type grid at described water inlet, described proof submersible sand discharging pump is enclosed in the middle of equally distributed counterclockwise arc rib, the radius of curvature of described counterclockwise arc rib is 0.2-0.25 times of cylindrical tube diameter, length is 0.3-0.4 times of cylindrical tube diameter, be highly 2-3cm, width is 2-2.5cm.
Spherical subsequent corrosion at the bottom of described curved surface cylinder is 0.9-1.1 times of cylindrical tube diameter.
The radius of the annular surface at the bottom of described curved surface cylinder is 0.2-0.3 times of cylindrical tube diameter.
Described proof submersible sand discharging pump water inlet is 0.25-0.35 times of cylindrical tube diameter to the vertical range of bottom.
Described outlet pipe is provided with check-valves.
The present invention is rational in infrastructure simply, the manufacturing is easy, the advanced science of method, by the present invention, integrated pump station pump barrel is the pump barrel of glass reinforced plastic winding, pump barrel is made by forming at the bottom of top cylindrical tube and curved surface cylinder, crush type grid is connected on after water inlet, at the bottom of described its curved surface cylinder, being to form (as Fig. 2) by two different concentric circles of radius from overlooking, is to be made up of the circular arc type curve of two different radiis from side view. the outer arc segment structure gradient is steeper, and the radius of the annular surface at the bottom of curved surface cylinder is 0.2-0.3 times of cylindrical tube diameter, and the inner arc segment structure gradient is more slow, and the spherical subsequent corrosion at the bottom of curved surface cylinder is 0.9-1.1 times of cylindrical tube diameter. proof submersible sand discharging pump is arranged on pump barrel bottom centre position, join with cylindrical shell top by chain, proof submersible sand discharging pump water inlet is 0.25-0.35 times of pump barrel cylindrical tube diameter to the vertical range of bottom, 8 ~ 12 equally distributed counterclockwise arc ribs centered by the center of circle, bottom are arranged in pump barrel bottom, the radius of curvature of counterclockwise arc rib is 0.2-0.25 times of cylindrical tube diameter, length is 0.3-0.4 times of cylindrical tube diameter, be highly 2-3cm, width is 2-2.5cm, form a gradient by the slow curve polycrystalline substance that adds counterclockwise arc rib of abrupt change.
The gradient that the present invention adopts is by the slow curved bottom portion form that adds counterclockwise arc rib of abrupt change, its know-why is: when current are introduced crush type grid by water inlet, enter in cylinder after foreign material processing in water enough broken by crush type grid, impurity forms precipitation because deadweight drops on bottom, due to the effect on curved surface slope, bottom, in water, impurity will continue to minimum point place of bottom centre landing, concentrate impurity, under central area is proof submersible sand discharging pump, be formed on the concentrated settling zone in the effective working region of proof submersible sand discharging pump. in the time that proof submersible sand discharging pump draws water, because submersible sewage pump water inlet lower zone current can produce counterclockwise rotation, impurity together moves with rotation water body, the now employing of counterclockwise arc rib of the present invention, water body is not only stirred precipitation in water body in the time being rotated counterclockwise, and prevent the large scale Hui Xuan of impurity particle, limit its free degree, the impurity particle of motion is under encountering after counterclockwise arc rib and being stopped, drop on bottom, and under the acting in conjunction of pump barrel curved bottom portion and counterclockwise arc rib again landing to bottom centre's proof submersible sand discharging pump water inlet, then be together sucked away together with water body, the operating efficiency of proof submersible sand discharging pump and the automatically cleaning ability of integrated pump station are greatly improved.
Brief description of the drawings
Fig. 1 is integrated pump station layout drawing of the present invention.
Fig. 2 is integrated pump station polycrystalline substance top view of the present invention.
Fig. 3 is A-A direction structure schematic diagram in Fig. 2.
In figure: 1 air vent, 2 check-valves, 3 outlet pipes, 4 proof submersible sand discharging pumps, 5 inner arc sections, 6 outer arc sections, 7 chains, 8 staircases, 9 inspection platforms, 10 water inlets, 11 crush type grids, 12 pump barrels, 13 counterclockwise arc ribs.
Detailed description of the invention
Below in conjunction with accompanying drawing and brief description of the drawings, the invention will be further described.
In the present invention, a kind of integrated pump station bottom self cleaning method, comprise pump barrel 12 and at the interior proof submersible sand discharging pump 4 that arranges of pump barrel 12, staircase 8, inspection platform 9, proof submersible sand discharging pump 4 is lifted on pump barrel 12 inner bottom parts, inspection platform is arranged on the middle and upper part in pump barrel 12, staircase 8 be arranged on inspection platform 9 and pump barrel 12 suitable for reading between, on pump barrel 12 tops, air vent 1 is set, on pump barrel 12 walls, water inlet 10 is set, proof submersible sand discharging pump 4 connects outlet pipe 3, outlet pipe 3 leads to outside pump barrel 12, in the present invention, pump barrel 12 is made by top cylindrical tube and cylinder and is formed at an end, at the bottom of the cylinder end is the curved surface cylinder that delayed by abrupt change of the gradient that is made up of spherical curved surface and annular surface, the top edge of described annular surface is connected tangent with cylindrical tube, the lower limb of annular surface is connected tangent with the edge of spherical curved surface. top view at the bottom of curved surface cylinder is to be made up of two different concentric circles of radius, side view at the bottom of curved surface cylinder is to be made up of the circular curve of two different radiis, 8-12 counterclockwise arc rib 13 is set at the bottom of described curved surface cylinder, counterclockwise arc rib 13 is uniformly distributed around curved surface Tong Di center, at described water inlet 10, crush type grid 11 is set, in the current that entered by water inlet 10, foreign material enter in pump barrel 12 after pulverizing by crush type grid 10, the impurity particle landing of pulverizing is deposited in central area at the bottom of the curved surface cylinder under proof submersible sand discharging pump 4 water inlets, described proof submersible sand discharging pump 4 is enclosed in the middle of equally distributed counterclockwise arc rib 13, when proof submersible sand discharging pump 4 extracts water body, counterclockwise arc rib 13 guides that water body is regular to be moved downward, water body moves downward and forces the impurity particle that is deposited in central area at the bottom of curved surface cylinder along with current enter proof submersible sand discharging pump 4 water inlets, flow to outside pump barrel 4 with the outlet pipe 3 being connected with proof submersible sand discharging pump 4 through proof submersible sand discharging pump 4, the radius of curvature of described counterclockwise arc rib 13 is 0.2-0.25 times of cylindrical tube diameter, length is 0.3-0.4 times of cylindrical tube diameter, be highly 2-3cm, width is 2-2.5cm.
Further, spherical subsequent corrosion at the bottom of curved surface cylinder is 0.9-1.1 times of cylindrical tube diameter, the radius of the annular surface at the bottom of curved surface cylinder is 0.2-0.3 times of cylindrical tube diameter, described proof submersible sand discharging pump 4 water inlets are 0.25-0.35 times of cylindrical tube diameter to the vertical range of bottom, and described outlet pipe 3 is provided with check-valves 2.
The integrated pumping plant layout drawing of Fig. 1, pump barrel 12 adopts glass reinforced plastic winding, and ventilation tracheae 1 is positioned at the top of prefabricated fiberglass pump barrel 12, is furnished with outlet conduit 3 near pump barrel 12 inwall one sides, outlet pipe 3 one end are installed near pump barrel 12 upsides, and the other end and proof submersible sand discharging pump 4 are of coupled connections. Just a side centre position is furnished with to water inlet 10 at outlet conduit, water inlet 10 is connected with crush type grid 11, current are introduced crush type grid 11 by water inlet 10, by the effect of crush type grid 11, what the various dirts in current were pulverized is enough tiny, then together enter in cylinder together with water body, impurity is also along with continuous increase, and constantly to curve bottom precipitation. At the bottom of curved surface cylinder, being to be made up of two different concentric circles of radius from overlooking, is to be made up of the circular arc type curve of two sections of different radiis from side view, and the outer arc segment structure gradient is steeper.
We can set pump barrel diameter is D, and the diameter of pump barrel cylindrical tube is D, and the radius of the annular surface at the bottom of curved surface cylinder is 0.2-0.3 times of cylindrical tube diameter, i.e. annular surface radius R 1=(0.2 ~ 0.3) D at the bottom of curved surface cylinder, the inner arc segment structure gradient is more slow, and the spherical subsequent corrosion at the bottom of curved surface cylinder is 0.9-1.1 times of cylindrical tube diameter, and the spherical subsequent corrosion at the bottom of curved surface cylinder is R2=(0.9 ~ 1.1) D, in the time that precipitation drops on bottom by the less curve regions of cylinder inwall radius, due to Gravitative Loads and the gradient steeper, impurity will continue along curve automatically fast to bottom centre's region clustering, after impurity is by large more slow outer arc section 6 junctions of steeper inner arc section 5 and radius. because more slow outer arc section 6 also has certain slope, make impurity continue to move to center lowest part, and the circular curve of large radius can better meet the requirement of integrated pump station stress and stability. so just make impurity concentrate in one section of region at center, and proof submersible sand discharging pump 4 joins with pump barrel 12 tops by chain 7, be arranged on the pump barrel 12 RC positions of cross section, proof submersible sand discharging pump 4 water inlets are (0.25-0.35) D to the vertical range of bottom, the effective range that the region that impurity collects is moved at proof submersible sand discharging pump 4, in the time that proof submersible sand discharging pump 4 draws water, drive proof submersible sand discharging pump 4 water inlet lower zone water bodys to produce counterclockwise rotation, drive water body together to move simultaneously, and due to the employing of counterclockwise arc rib 13 of the present invention, water body is not only stirred precipitation in water body in the time being rotated counterclockwise, and the large scale that has well prevented impurity particle is turned round, limit its free degree. the deposit seed of motion is being encountered after circular arc rib 13, stopped, again drop on bottom, and under the acting in conjunction of curve bottom and rib again landing to bottom centre's proof submersible sand discharging pump 4 water inlets, then be together sucked away together with water body, greatly improved the operating efficiency of proof submersible sand discharging pump 4 and the automatically cleaning ability of integrated pump station. proof submersible sand discharging pump 4 can together siphon away the deposition of bottom when work is drawn water like this, completes the self-cleaning process of pumping plant, has greatly improved the self-cleaning ability of pumping plant and efficiency.
In the present invention, counterclockwise arc rib 13 is hardware, adopts welding manner or forging type to be connected with pump barrel 12.
Claims (10)
1. an integrated pump station bottom self cleaning method, comprise pump barrel (12) and proof submersible sand discharging pump (4) is set in pump barrel (12), staircase (8), inspection platform (9), proof submersible sand discharging pump (4) is lifted on pump barrel (12) inner bottom part, inspection platform is arranged on the middle and upper part in pump barrel (12), staircase be arranged on inspection platform and pump barrel (12) suitable for reading between, on pump barrel (12) top, air vent (1) is set, on pump barrel (12) wall, water inlet (10) is set, proof submersible sand discharging pump (4) connects outlet pipe (3), outlet pipe (3) leads to outside pump barrel (12), it is characterized in that: also comprise described pump barrel (12) is made by top cylindrical tube and cylinder and formed at an end, at the bottom of the described cylinder end is the curved surface cylinder that delayed by abrupt change of the gradient that is made up of spherical curved surface and annular surface, the top edge of described annular surface is connected tangent with cylindrical tube, the lower limb of annular surface is connected tangent with the edge of spherical curved surface, top view at the bottom of curved surface cylinder is to be made up of two different concentric circles of radius, side view at the bottom of curved surface cylinder is to be made up of the circular curve of two different radiis, 8-12 counterclockwise arc rib (13) is set at the bottom of described curved surface cylinder, counterclockwise arc rib (13) is uniformly distributed around curved surface Tong Di center, at described water inlet (10), crush type grid (11) is set, in the current that entered by water inlet (10), foreign material enter in pump barrel (12) after pulverizing by crush type grid (11), the impurity particle landing of pulverizing is deposited in central area at the bottom of the curved surface cylinder under proof submersible sand discharging pump (4) water inlet, described proof submersible sand discharging pump (4) is enclosed in the middle of equally distributed counterclockwise arc rib (13), when proof submersible sand discharging pump (4) extracts water body, water body is regular moves downward for counterclockwise arc rib (13) guiding, water body moves downward and forces the impurity particle that is deposited in central area at the bottom of curved surface cylinder along with current enter proof submersible sand discharging pump (4) water inlet, flow to outside pump barrel (4) with the outlet pipe (3) being connected with proof submersible sand discharging pump (4) through proof submersible sand discharging pump (4), the radius of curvature of described counterclockwise arc rib (13) is 0.2-0.25 times of cylindrical tube diameter, length is 0.3-0.4 times of cylindrical tube diameter, be highly 2-3cm, width is 2-2.5cm.
2. a kind of integrated pump station according to claim 1 bottom self cleaning method, is characterized in that: the spherical subsequent corrosion at the bottom of described curved surface cylinder is 0.9-1.1 times of cylindrical tube diameter.
3. a kind of integrated pump station according to claim 1 bottom self cleaning method, is characterized in that: the radius of the annular surface at the bottom of described curved surface cylinder is 0.2-0.3 times of cylindrical tube diameter.
4. a kind of integrated pump station according to claim 1 bottom self cleaning method, is characterized in that: described proof submersible sand discharging pump (4) water inlet is 0.25-0.35 times of cylindrical tube diameter to the vertical range of bottom.
5. a kind of integrated pump station according to claim 1 bottom self cleaning method, is characterized in that: described outlet pipe (3) is provided with check-valves (2).
6. an automatically cleaning integrated pump station, comprise the proof submersible sand discharging pump (4) arranging in pump barrel (12) and pump barrel (12), staircase, inspection platform, proof submersible sand discharging pump (4) is lifted on pump barrel (12) inner bottom part, inspection platform is arranged on the middle and upper part in pump barrel (12), staircase be arranged on inspection platform and pump barrel (12) suitable for reading between, be provided with air vent (1) on pump barrel (12) top, pump barrel (12) wall is provided with water inlet (10), proof submersible sand discharging pump (4) connects outlet pipe (3), outlet pipe (3) leads to outside pump barrel (12), it is characterized in that: described pump barrel (12) was made up of top cylindrical tube and the cylinder end, at the bottom of the described cylinder end is the curved surface cylinder that delayed by abrupt change of the gradient that is made up of spherical curved surface and annular surface, the top edge of described annular surface is connected tangent with cylindrical tube, the lower limb of annular surface is connected tangent with the edge of spherical curved surface, top view at the bottom of curved surface cylinder is to be made up of two different concentric circles of radius, side view at the bottom of curved surface cylinder is to be made up of the circular curve of two different radiis, in at the bottom of described curved surface cylinder, be provided with 8-12 counterclockwise arc rib (13), counterclockwise arc rib (13) is uniformly distributed around curved surface Tong Di center, be provided with crush type grid (11) at described water inlet (10), described proof submersible sand discharging pump (4) is enclosed in the middle of equally distributed counterclockwise arc rib (13), the radius of curvature of described counterclockwise arc rib (13) is 0.2-0.25 times of cylindrical tube diameter, length is 0.3-0.4 times of cylindrical tube diameter, be highly 2-3cm, width is 2-2.5cm.
7. a kind of automatically cleaning integrated pump station according to claim 6, is characterized in that: the spherical subsequent corrosion at the bottom of described curved surface cylinder is 0.9-1.1 times of cylindrical tube diameter.
8. a kind of automatically cleaning integrated pump station according to claim 6, is characterized in that: the radius of the annular surface at the bottom of described curved surface cylinder is 0.2-0.3 times of cylindrical tube diameter.
9. a kind of automatically cleaning integrated pump station according to claim 6, is characterized in that: described proof submersible sand discharging pump (4) water inlet is 0.25-0.35 times of cylindrical tube diameter to the vertical range of bottom.
10. a kind of automatically cleaning integrated pump station according to claim 6, is characterized in that: described outlet pipe (3) is provided with check-valves (2).
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| CN105464204B (en) * | 2015-12-29 | 2017-11-24 | 扬州大学 | A kind of bottom hydraulically adjustable integrated pump station |
| CN107100262A (en) * | 2017-07-01 | 2017-08-29 | 浙江贝德泵业有限公司 | A kind of self-cleaning integrated pump station |
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| US4865526A (en) * | 1986-05-19 | 1989-09-12 | The Gorman-Rupp Company | Pumping system |
| DE3820773A1 (en) * | 1988-06-20 | 1989-12-21 | Rolf Stahn | Process and apparatus for the compressed-air emptying of retention tanks |
| DE4029603A1 (en) * | 1990-09-19 | 1992-03-26 | Schlesiger & Co Kg Feluwa | Disposal of fluids mixed with solids - involves separation of floating and sinking solids before pumping |
| JPH08260561A (en) * | 1995-03-27 | 1996-10-08 | Kubota Corp | Suction water tank for pump |
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| CN105002980A (en) | 2015-10-28 |
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Application publication date: 20151028 Assignee: Jiangsu Yatai Pump Co., Ltd. Assignor: Yangzhou University Contract record no.: 2017320000040 Denomination of invention: Integrated pumping station bottom self-cleaning method Granted publication date: 20160608 License type: Common License Record date: 20170306 |
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